syz-executor3: [ 45.967315] audit: type=1400 audit(1520823593.957:28): avc: denied { getopt } for pid=8127 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 vmalloc: allocation failure: 17045651456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 8128 Comm: syz-executor3 Not tainted 4.9.87-ga290494 #53 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8bf7828 ffffffff81d95a19 1ffff1003b17ef08 ffff8801ccbde000 ffffffff83ab9520 0000000000000001 0000000000400000[ 46.037389] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/8149 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 ffff8801d8bf7938 ffffffff81451f42 024000c200000003 0000000041b58ab3 ffffffff84195d5d Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:726 [] translate_table+0x21a/0x1e80 net/ipv6/netfilter/ip6_tables.c:730 [] ? 0xffffffff810002b8 [] do_replace net/ipv6/netfilter/ip6_tables.c:1182 [inline] [] do_ip6t_set_ctl+0x2be/0x470 net/ipv6/netfilter/ip6_tables.c:1708 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:911 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2755 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb CPU: 0 PID: 8149 Comm: syz-executor4 Not tainted 4.9.87-ga290494 #53 Mem-Info: active_anon:62624 inactive_anon:44 isolated_anon:0 active_file:3489 inactive_file:8530 isolated_file:0 unevictable:0 dirty:40 writeback:0 unstable:0 slab_reclaimable:6556 slab_unreclaimable:58865 mapped:24306 shmem:51 pagetables:706 bounce:0 free:1465727 free_pcp:341 free_cma:0 Node 0 active_anon:250496kB inactive_anon:176kB active_file:13956kB inactive_file:34120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97224kB dirty:160kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 90112kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32 free:2980068kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:648kB local_pcp:0kB free_cma:0kB Normal free:2866932kB min:36824kB low:46028kB high:55232kB active_anon:250496kB inactive_anon:176kB active_file:13956kB inactive_file:34120kB unevictable:0kB writepending:124kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26224kB slab_unreclaimable:235460kB kernel_stack:6144kB pagetables:2824kB bounce:0kB free_pcp:716kB local_pcp:564kB free_cma:0kB DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12069 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320510 pages reserved syz-executor3: vmalloc: allocation failure: 17045651456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb1c7430 ffffffff81d95a19 0000000000000000 ffffffff83c19000 ffffffff83f45e60 ffff8801cb066000 0000000000000003 ffff8801cb1c7470 ffffffff81dfd014 ffff8801cb1c7488 ffffffff83f45e60 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x40d/0x6a0 net/xfrm/xfrm_user.c:2549 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2353 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2557 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb CPU: 1 PID: 8143 Comm: syz-executor3 Not tainted 4.9.87-ga290494 #53 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd51f828 ffffffff81d95a19 1ffff10039aa3f08 ffff8801cc130000 ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cd51f938 ffffffff81451f42 024000c200000003 0000000041b58ab3 ffffffff84195d5d Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:726 [] translate_table+0x21a/0x1e80 net/ipv6/netfilter/ip6_tables.c:730 [] ? 0xffffffff810002b8 [] do_replace net/ipv6/netfilter/ip6_tables.c:1182 [inline] [] do_ip6t_set_ctl+0x2be/0x470 net/ipv6/netfilter/ip6_tables.c:1708 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ipv6_setsockopt+0x10b/0x130 net/ipv6/ipv6_sockglue.c:911 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2755 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:56639 inactive_anon:45 isolated_anon:0 active_file:3491 inactive_file:8540 isolated_file:0 unevictable:0 dirty:57 writeback:0 unstable:0 slab_reclaimable:6582 slab_unreclaimable:58946 mapped:24284 shmem:52 pagetables:561 bounce:0 free:1472040 free_pcp:458 free_cma:0 Node 0 active_anon:226556kB inactive_anon:180kB active_file:13964kB inactive_file:34160kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97136kB dirty:228kB writeback:0kB shmem:208kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 98304kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32 free:2980068kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:648kB local_pcp:0kB free_cma:0kB Normal free:2892184kB min:36824kB low:46028kB high:55232kB active_anon:226556kB inactive_anon:180kB active_file:13964kB inactive_file:34160kB unevictable:0kB writepending:228kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26328kB slab_unreclaimable:235784kB kernel_stack:5376kB pagetables:2244kB bounce:0kB free_pcp:1184kB local_pcp:636kB free_cma:0kB DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12082 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320510 pages reserved audit: type=1400 audit(1520823595.687:29): avc: denied { net_admin } for pid=8335 comm="syz-executor1" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1520823595.717:30): avc: denied { dac_override } for pid=8330 comm="syz-executor2" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1520823595.717:31): avc: denied { net_raw } for pid=8334 comm="syz-executor6" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 netlink: 136 bytes leftover after parsing attributes in process `syz-executor1'. audit: type=1400 audit(1520823595.787:32): avc: denied { net_admin } for pid=8335 comm="syz-executor1" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 netlink: 136 bytes leftover after parsing attributes in process `syz-executor1'. audit: type=1400 audit(1520823595.837:33): avc: denied { dac_override } for pid=8367 comm="syz-executor3" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1520823595.847:34): avc: denied { sys_admin } for pid=8373 comm="syz-executor5" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1520823595.947:35): avc: denied { create } for pid=8425 comm="syz-executor3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1400 audit(1520823596.027:36): avc: denied { net_raw } for pid=8436 comm="syz-executor0" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1520823596.027:37): avc: denied { set_context_mgr } for pid=8434 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 audit: type=1400 audit(1520823596.027:38): avc: denied { call } for pid=8434 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 binder: 8434:8444 got transaction with invalid data ptr binder: 8434:8444 transaction failed 29201/-14, size 7680-0 line 3152 binder: BINDER_SET_CONTEXT_MGR already set binder: 8434:8447 ioctl 40046207 0 returned -16 binder_alloc: 8434: binder_alloc_buf, no vma binder: 8434:8447 transaction failed 29189/-3, size 7680-0 line 3133 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: 8520:8521 transaction failed 29189/-22, size 0-8 line 3010 binder: 8520:8527 transaction failed 29189/-22, size 0-8 line 3010 binder: 8520:8528 got reply transaction with no transaction stack binder: 8520:8528 transaction failed 29201/-71, size -3963167672086036424-1572938 line 2926 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: 8566:8575 transaction failed 29189/-22, size 0-8 line 3010 syz-executor3 uses obsolete (PF_INET,SOCK_PACKET) binder: undelivered TRANSACTION_ERROR: 29189 binder: 8588:8603 ioctl c0306201 20000140 returned -14 binder: 8588:8603 ioctl 40044581 20000240 returned -22 binder_alloc: 8588: binder_alloc_buf, no vma binder: 8588:8603 transaction failed 29189/-3, size 0-4 line 3133 binder_alloc: binder_alloc_mmap_handler: 8588 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 8588:8603 ioctl c0306201 20000140 returned -14 IPv4: Oversized IP packet from 127.0.0.1 binder: 8588:8622 ioctl 40046207 0 returned -16 binder: 8588:8603 ioctl 40044581 20000240 returned -22 binder_alloc: 8588: binder_alloc_buf, no vma binder: 8588:8641 transaction failed 29189/-3, size 0-4 line 3133 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. binder: 8792:8796 transaction failed 29189/-22, size 0-0 line 3010 binder: undelivered TRANSACTION_ERROR: 29189 binder: 8792:8803 transaction failed 29189/-22, size 0-0 line 3010 binder: undelivered TRANSACTION_ERROR: 29189 PF_BRIDGE: RTM_SETLINK with unknown ifindex PF_BRIDGE: RTM_SETLINK with unknown ifindex IPv4: Oversized IP packet from 127.0.0.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51092 sclass=netlink_route_socket pig=8950 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51092 sclass=netlink_route_socket pig=8950 comm=syz-executor7 binder: 9052:9054 BC_FREE_BUFFER u0000000000000000 no match binder: BINDER_SET_CONTEXT_MGR already set binder: 9052:9054 ioctl 40046207 0 returned -16 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=512 sclass=netlink_route_socket pig=9216 comm=syz-executor1 binder: 9212:9237 ERROR: BC_REGISTER_LOOPER called without request binder: 9212:9237 BC_FREE_BUFFER u0000000020dbd000 no match binder: BINDER_SET_CONTEXT_MGR already set binder: 9212:9245 ioctl 40046207 0 returned -16 binder: 9212:9246 ERROR: BC_REGISTER_LOOPER called without request binder: 9212:9245 BC_FREE_BUFFER u0000000020dbd000 no match binder: 9419:9425 unknown command 854213849 binder: 9419:9425 ioctl c0306201 20007000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 9419:9449 unknown command 854213849 binder: 9419:9449 ioctl c0306201 20007000 returned -22 binder: 9419:9425 ioctl 40046207 0 returned -16 IPVS: Creating netns size=2536 id=9